hgext3rd/topic/compat.py
author Anton Shestakov <av6@dwimlabs.net>
Tue, 10 Mar 2020 19:05:08 +0700
changeset 5193 a4d081923c81
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permissions -rw-r--r--
compat: update hg-X.Y compat comments and test them
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# Copyright 2017 FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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"""
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Compatibility module
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"""
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from __future__ import absolute_import
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from mercurial import (
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    pycompat,
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    registrar,
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    util,
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)
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if pycompat.ispy3:
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    def branchmapitems(branchmap):
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        return branchmap.items()
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else:
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    # py3-transform: off
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    def branchmapitems(branchmap):
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        return branchmap.iteritems()
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    # py3-transform: on
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# help category compatibility
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# hg <= 4.7 (c303d65d2e34)
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def helpcategorykwargs(categoryname):
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    """Backwards-compatible specification of the helpategory argument."""
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    category = getattr(registrar.command, categoryname, None)
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    if not category:
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        return {}
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    return {'helpcategory': category}
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# nodemap.get and index.[has_node|rev|get_rev]
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# hg <= 5.2 (02802fa87b74)
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def getgetrev(cl):
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    """Returns index.get_rev or nodemap.get (for pre-5.3 Mercurial)."""
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    if util.safehasattr(cl.index, 'get_rev'):
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        return cl.index.get_rev
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    return cl.nodemap.get